hitting the faa hard. already triggering long lines at airports nationwide. >>> and an a-list arrest. it's the latest celebrity mug shot. hollywood's darling, reese witherspoon, issuing an apology overnight. >>> and good monday morning. we may be closer to getting some key answers in the boston bombing investigation today. >> suspect dzhokhar tsarnaev is now awake and communicating in writing with investigato they are anxious to know if anyone else was involved in the bombs waiting to explode. >> one week later, 52 victims are still in the hospital, 3 in critical condition. all victims are being remembered later today with a moment of silence at the time of the first bomb. and then church bells will ring. >> abc's preeti arla begins our coverage. >> reporter: a week after the boston marathon attack, one suspect is dead, the other is in the hospital. but the search for answers continues. law enforcement officials tell abc news 19-year-old suspect dzhokhar tsarnaev is awake. he's unable to speak because of a